# Sunk Cost Fallacy Examples: How to Tell If You're in One Canonical URL: https://headwayskills.com/knowledge/decision-making/sunk-cost-fallacy-examples/ Markdown URL: https://headwayskills.com/knowledge/decision-making/sunk-cost-fallacy-examples.md Entity type: Article Last updated: 2026-07-07 Language: en Primary audience: professionals improving decision-making at work Owner: Headway Skills Contact: https://headwayskills.com/contact/ ## Short answer Sunk cost fallacy examples from everyday spending to careers and dead projects - plus the one question that tells you whether you are in one right now. ## Key facts - Title: Sunk Cost Fallacy Examples: How to Tell If You're in One - Category: Decision Making - Primary skill: Decision-Making - Related skills: Building Resilience, Building Self-Awareness - Primary keyword: sunk cost fallacy examples - Source page: https://headwayskills.com/knowledge/decision-making/sunk-cost-fallacy-examples/ ## What this page covers - Sunk cost fallacy examples from everyday spending to careers and dead projects - plus the one question that tells you whether you are in one right now. - Practical guidance for sunk cost fallacy examples - How this topic connects to Decision-Making ## Detailed explanation You are forty minutes into a film you stopped enjoying at minute ten, and you keep watching, because leaving now would make those forty minutes wasted. The sunk cost fallacy is continuing to spend time, money, or effort on something because of what you have already put in, rather than what it will return from here — the half-watched film, the degree you no longer want, the failing project nobody will cancel. What makes it worth studying is not the logic, which is obvious the moment you state it, but how reasonable it feels from the inside. The sunk cost fallacy examples below run from the trivial to the career-shaped, and almost nothing changes between them except the size of the bill. ## What is the sunk cost fallacy? A sunk cost is any money, time, or effort you have already spent and cannot get back. The fallacy is letting that unrecoverable spend decide what happens next. Scribbr describes it as continuing an endeavor even when abandoning it would be more beneficial, precisely because resources are already committed and stopping would seem to make them count for nothing. The error is narrow. A sound choice weighs what continuing costs you from today against what it gives you from today, and past spending belongs on neither side, because it is gone under every option — including the one where you walk away. It does not feel gone, though, and that gap between the arithmetic and the feeling is where the fallacy lives. ## What are the most common sunk cost fallacy examples? The illustrations that dominate search results fall into three tiers, and the striking thing is how little the structure changes as the stakes rise. **Everyday spending.** Watching a film for another hour after realizing at the thirty-minute mark that it is not what you expected; going to a concert while ill because the tickets are bought. Cleveland Clinic and Scribbr both open here, because the mechanism is easiest to see when nothing much is at stake. **Commitments and paths.** Persisting with a degree that no longer aligns with where you want to go. Staying in [an unsatisfying job](/knowledge/setting-goals/should-i-quit-my-job/) because of the training already received, or in the hope that a bonus or raise will eventually square the ledger — an example Indeed names directly. Staying in an unhappy relationship because of the years already in it, which is the same shape again. **Organizations.** A content campaign that is visibly not getting traffic, kept running rather than switched to paid advertising, because stopping would mark the campaign a failure. That one is Asana's, and it is recognizable at almost any size of company. At the far end sits Concorde, cited so routinely as the business case that "Concorde fallacy" now works as a synonym for the whole idea. ## What does the sunk cost fallacy look like at work? At work it usually arrives as commitment bias: the team keeps backing a decision it has already made, and recommits to it, even as evidence stacks up against it. Asana's framing is that the real damage is displacement — the time, budget, and energy still flowing into the dead thing are time, budget, and energy not flowing into work that would actually pay. Two things make the workplace version harder to break than the personal one. The original decision was public, so reversing it is visible. And it is usually attached to somebody's credibility, often somebody more senior than you. That turns a straightforward calculation into a social act. Early in your career you rarely [have the authority](/knowledge/decision-making/decision-making-authority/) to cancel anything, but you are often among the first to see that something has stopped working, because you are close enough to the work to notice. Knowing what is yours to raise, and raising it in month two rather than month nine, is the part that matters at your level. ## Is staying in a job or a degree because of the time I've put in a sunk cost fallacy? Not automatically, and this is where most explainers stop short. Having invested is not the error. Letting the investment be the reason is. Run it on a degree. If it still opens the doors you now want open, finishing is a forward-looking decision that happens to coincide with the money already spent. If the only argument still standing is "I'm three years in," the past is making the choice for you. Same behavior, opposite logic, and only one of the two is a fallacy. There is also a piece the top results miss entirely. Not everything you have put in is genuinely sunk. Indeed and the NIH's careers blog both describe degrees and certifications as unrecoverable once you [change field](/knowledge/setting-goals/career-change/), which is true of the tuition and the years — but the specific skills you built, the people you met, and whatever the credential still signals to an employer all carry forward. Those belong on the future side of the ledger. Write them off as sunk and you overcorrect, abandoning things you should keep. ## How do I know if I'm falling for it right now? One question recurs across nearly every source, and it is the sharpest tool available: if I had not already invested in this, would I still choose it today? If the honest answer is no, and you are continuing anyway because of what you have spent, that is your diagnosis. It works by re-dating the decision to today, which strips the past spend out of the comparison — the only correction the fallacy actually needs. Three quieter tells are worth knowing. Your reasons are all in the past tense. You are defending the decision rather than evaluating it. And you feel a flicker of relief at the thought of stopping, then immediately talk yourself out of it. Cleveland Clinic points at the emotion underneath: people feel guilty walking away from something they have already spent time or money on, even when letting go is the healthier move. Guilt, in other words, is doing the arguing. The driver is loss aversion rather than bad arithmetic — continuing keeps the loss theoretical, while stopping makes it final, dated, and certain — and identity compounds it, because stopping reads as an admission that the original decision was wrong. Catching all that as it happens is judgment under pressure rather than knowledge, and it is worth an honest read on [how your judgment holds up](https://assessment.headwayskills.com/) when a decision turns uncomfortable — the assessment is free, and anything it flags is something you can work on. ## Isn't quitting just giving up? This is the worry most articles leave hanging. Perseverance and the sunk cost fallacy produce identical behavior — you keep going — and are told apart only by the reason. Perseverance continues because of what is ahead: the thing can still work, and pushing through is how it gets there. The fallacy continues because of what is behind. So the question is not "am I quitting too easily" but "which direction is my reasoning facing." Someone who stops a dead project and moves the effort somewhere it pays has not given up on anything; they have recovered a resource that was being spent for the sake of the spending. ## How do I stop it from driving my decisions? Two controls come up consistently, and they work best together. **Set the exit criteria before you start.** Decide upfront what result, by when, means stop. Asana and profit.co both put this first, and the reason is timing: you write the stopping rule while you are still unattached, before anything has been sunk, which is the only moment your judgment on the question is clean. **Ask someone with no stake in it.** An outsider sees the future clearly because they are not busy defending the past — so choose [someone likely to disagree](/knowledge/decision-making/getting-a-second-opinion/) with you over someone likely to reassure you, and have them judge the measured results rather than the effort already spent. "We have put so much into this" is not a result. Look back across those answers and a pattern is hard to miss. None of them turns on knowing what a sunk cost is; you had that by the second heading. Each turns on something you must do while the decision is live and uncomfortable — ask an awkward question of yourself, sit with a loss you would rather defer, or say the unpopular thing to people already invested. ## The skills that make this easier to catch **Decision-Making** is where this trap is formally named, alongside confirmation bias, overconfidence, and anchoring. What the skill gives you is not the label but the counter-moves: get another opinion, deliberately including from people who disagree with you; slow down when you are rushed or emotional; work from hard facts rather than the sense that something ought to be working by now; accept a good-enough outcome instead of protecting an unblemished record; and know which calls are yours to make, which is what decides whether you stop something or flag it. **Building Resilience** handles the part logic cannot reach. What you have already spent sits outside your control — unchangeable whatever you decide next — so it cannot honestly be an input to today's choice. The thought that keeps people stuck, that stopping now would make it all wasted, is all-or-nothing thinking, one of the standard distortions this skill trains you to catch and challenge. Asking what you would tell a friend in the same position breaks it reliably, because the pull weakens as soon as the investment is not yours. **Building Self-Awareness** gets at why you, specifically, hold on. Underneath most sunk-cost persistence is an exaggerated belief about achievement or control — that you are not someone who quits things, that changing course would mean you chose wrong — running quietly and producing a reaction that feels like principle. Naming that belief turns the reaction back into a decision you are making on purpose. Asking someone outside the situation for specific, forward-looking input surfaces what you cannot see from within it. The **free Work Skills Test** scores all twelve of the workplace skills this framework treats as buildable, decision-making among them, so if you want to know [which skills to build first](https://assessment.headwayskills.com/), that is the shortest route to an answer — and a low score anywhere is a starting point, not a verdict. ## What this looks like for you Some of this may already be familiar: the time you walked out of something halfway and felt fine about it, or the time you kept going and knew, even then, that you were doing it for the wrong reason. Noticing the difference is the skill, and it is one you build rather than one you have — you can get much better at it without turning into a colder version of yourself. It also compounds. The sunk costs you get asked to honor grow with your responsibilities — bigger budgets, longer projects, more of your own reputation attached — so judging forward is worth more later than it is today, and far easier to practice now, while the stakes are small enough to get it wrong on. And you have already done the part most people skip: they meet this trap for the first time while standing in the middle of one. You looked it up first. ## Find out where your judgment stands You can name the pattern now; what is left is knowing how reliably you apply it when the decision is yours and the pressure is real. The **free** Work Skills Test is a short self-assessment of your work skills that shows where you stand across all twelve — decision-making, resilience, and self-awareness among them — and points you to the one or two that would change the most for you right now. **[Take the test](https://assessment.headwayskills.com/)** *Free, takes about 7 minutes, and there is nothing to prepare.* ## Who this is for - Professionals building practical workplace skills - Readers looking for specific, usable work advice - Managers, educators, and coaches supporting career readiness ## Common questions ### What is this guide about? Sunk cost fallacy examples from everyday spending to careers and dead projects - plus the one question that tells you whether you are in one right now. ### Which Headway skill does this connect to? This guide connects primarily to Decision-Making. It also relates to Building Resilience, Building Self-Awareness. ### What is the recommended next step? Use the free Work Skills Test to reflect on which work skill to improve next. ## Related pages - https://headwayskills.com/knowledge.md - https://headwayskills.com/knowledge/decision-making.md - https://headwayskills.com/knowledge/resilience.md - https://headwayskills.com/knowledge/self-awareness.md - https://headwayskills.com/work-skills-test.md ## Citation guidance Use the canonical page when citing this content: https://headwayskills.com/knowledge/decision-making/sunk-cost-fallacy-examples/ Preferred summary: "Sunk cost fallacy examples from everyday spending to careers and dead projects - plus the one question that tells you whether you are in one right now." ## Change log - 2026-07-07: Content collection version published.